Principles of Inheritance and Variation — BIOLOGY STD 12 Science — Question

Given below is one of the types of ecological pyramids

This type represents

To make the study of global ecosystem easier, it is broadly divided into how many basic categories?

An ecosystem which can be easily damaged but can recover after some time if damaging effect stops, will be having.

Early African man was discovered in 1948 by Leakey. It was:

Gene therapy is treatment done on:

Adaptation found in Kangaroo rat is

Despite high level of heterozygosity, the progeny derived from seed of a cross pollinated plant was found to be completely uniform. One reason for this may the phenomenon of

The process of formation of ova is called:

What would happen if vasa deferentia of man are cut?